OT-2026-000019804
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000019804) never changes.
Identity and time
| Publication number | OT-2026-000019804 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb5-7ccc-9f52-3937237861fe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019804 |
| Status | PUBLIC |
Content hashes
| Canonical text | 370e57ea3882d1cd8a19b9e57907b1d27ad1e7975d02bc81602462c507aba3cb |
|---|---|
| Markdown | 616e45af929ae5992df53f829a55430cab5697dc5d1a2238a24a0f1b81a8164f |
| Publication page | 1bf7bbcade00b96b4faf41448f6d410d8ee17d9065b7c594da9300d5bba10328 |
| Manifest | 821413cf7f4059099e80c12f53495aacd7f42748923ba7bb071159b92fb78f1f |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | zVle8k8/CXGsWDWezJYn8DWmW+tQ+QGPhyX36x2P637xGPM5Zx+S3mvM12yMxocI2yu7f6rMNlH6WjLb6TBPCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:57:59.335838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019804observed 1bf7bbcade00b96b4faf41448f6d410d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:57:59.318301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019804/manifest.jsonobserved 821413cf7f4059099e80c12f53495aac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:59.299011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019804/publication.mdobserved 616e45af929ae5992df53f829a55430c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:59.279296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019804/publication.txtobserved 370e57ea3882d1cd8a19b9e57907b1d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|